class_docstr: Datasets type for 'None' values.
docstr: Creates an empty HDF5 array under 'key'.
docstr_tok: ["Creates","an","empty","HDF5","array","under","'key","'","."]
code: def value_to_hdf5(
      self, bind_parent: HDF5Group, key: str, value: None
  ) -> HDF5Array:
      """Creates an empty HDF5 array under 'key'."""
      return bind_parent.create_dataset(key, dtype="f")
  
file_path: pennylane/pennylane/data/attributes/none.py
imports: from typing import Literal, Tuple, Type
  from pennylane.data.base.attribute import DatasetAttribute
  from pennylane.data.base.hdf5 import HDF5Array, HDF5Group
label_desc: Use image node_id 4 for calling the DatasetNone obj's underlying member method code with example usage: obj.value_to_hdf5(bind_parent, key, value) and returns: bind_parent